/*
 * @Author: szx
 * @Date: 2022-03-26 13:00:55
 * @LastEditTime: 2022-03-26 13:00:55
 * @Description: 
 * @FilePath: \leetcode\剑指offer\48\48.js
 */
/**
 * @param {string} s
 * @return {number}
 */
 var lengthOfLongestSubstring = function(s) {
    
};